Finding the Fourth Proportional to 3,929,273,144,979, 5,888,641,312,915.30 and 3,058,058,946,788.70
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Solution
The fourth proportional to 3,929,273,144,979, 5,888,641,312,915.30 and 3,058,058,946,788.70 is: 4,582,988,147,413.82
Step by Step Solution
- Step 1: Write the proportion equation
3,929,273,144,979 : 5,888,641,312,915.30 = 3,058,058,946,788.70 : x - Step 2: Convert to fraction form
3,929,273,144,979/5,888,641,312,915.30 = 3,058,058,946,788.70/x - Step 3: Cross multiply
3,929,273,144,979x = 5,888,641,312,915.30 × 3,058,058,946,788.70 - Step 4: Simplify right side
3,929,273,144,979x = 18,007,812,251,390,189,588,447,232 - Step 5: Solve for x
x = 18,007,812,251,390,189,588,447,232/3,929,273,144,979 - Step 6: Final answer
x = 4,582,988,147,413.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.